#include <stdio.h>

int main () {

	float x = 0.88;
	float y = 0.01;
	float z = x + y;
	printf("%.10f\n", z);

	if(z == 0.89) {
		printf("xiangdeng \n");
	} else if (z<0.89) {
		printf("xiaole \n");
	} else {
		printf("dale \n");
	}
}
